<?php

class CacheController extends BackendController {
    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
            'postOnly + delete',
            // we only allow deletion via POST request
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array(
                'allow', // allow all users to perform 'index' and 'view' actions
                'actions' => array(
                    'index',
                    'view'
                ),
                'users'   => array('*'),
            ),
            array(
                'allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array(
                    'create',
                    'update'
                ),
                'users'   => array('@'),
            ),
            array(
                'allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array(
                    'admin',
                    'delete'
                ),
                'roles'   => array('SuperAdmin'),
            ),
            array(
                'deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id) {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new Cache;
        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);
        if (isset($_POST['Cache'])) {
            $model->attributes = $_POST['Cache'];
            if ($model->save()) {
                $this->redirect(array(
                    'view',
                    'id' => $model->id
                ));
            }
        }
        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = $this->loadModel($id);
        // Uncomment the following line if AJAX validation is needed
        Helper::performAjaxValidation($model, 'cache-form');
        if (isset($_POST['Cache'])) {
            $model->attributes = $_POST['Cache'];
            if ($model->save()) {
                $this->redirect(array(
                    'view',
                    'id' => $model->id
                ));
            }
        }
        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        $this->loadModel($id)->delete();
        // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
        if (!isset($_GET['ajax'])) {
            $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $this->actionAdmin();
    }

    /**
     * Manages all models.
     */
    public function actionAdmin() {
        $model = new Cache('search');
        $model->unsetAttributes(); // clear any default values
        if (isset($_GET['Cache'])) {
            $model->attributes = $_GET['Cache'];
        }
        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer $id the ID of the model to be loaded
     * @return Cache the loaded model
     * @throws CHttpException
     */
    public function loadModel($id) {
        $model = Cache::model()->findByPk($id);
        if ($model === null) {
            throw new CHttpException(404, 'The requested page does not exist.');
        }

        return $model;
    }

    public function actionExpire($ids) {
        if (is_array($ids) && count($ids)) {
            foreach ($ids as $id)
                Cache::model()->updateByPk($id, array('expired' => date('Y-m-d H:i:s')));
        }
    }
}
